* {
    font-family: "Microsoft YaHei", "微软雅黑";
}

body {
    background: #31abf0;
}

.container {
    margin: 0 auto;
    width: 500px;
}

form {
    width: 450px;
    margin: 0 auto;
    background: #FFF;
    border-radius: 15px;
    position: relative;
}

h1 {
    font-size: 28px;
    text-align: center;
    color: #FFF;
}

.o {
    color: red;
    margin-left: 49px;
    display: inline-block;
}

.p {
    color: red;
    margin-left: 33px;
    display: inline-block;
}

label {
    font-size: 18px;
    font-weight: bold;
}

.register {
    height: 35px;
    width: 300px;
}

.q {
    color: red;
    margin-left: 17px;
    display: inline-block;
}

.checkbox {
    margin-left: 100px;
    display: inline-block;
    width: 15px;
    height: 15px;
}

.submit {
    border-radius: 7px;
    margin-left: 150px;
    height: 35px;
    width: 150px;
    background-color: #000;
    border: none;
    display: block;
    padding: 0;
    color: #FFF;
    font-weight: bold;
    cursor: pointer;
}

a {
    text-decoration: none;
    font-weight: bold;
}

.left,
.right,
.mid {
    position: absolute;
    bottom: 20px;
}

.left {
    left: 20px;
}

.right {
    right: 20px;
}

.mid {
    left: 140px;
}